Finding the Fourth Proportional to 1,092,111.80, 1,638,905.81 and 382,145.99
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Solution
The fourth proportional to 1,092,111.80, 1,638,905.81 and 382,145.99 is: 573,477.26
Step by Step Solution
- Step 1: Write the proportion equation
1,092,111.80 : 1,638,905.81 = 382,145.99 : x - Step 2: Convert to fraction form
1,092,111.80/1,638,905.81 = 382,145.99/x - Step 3: Cross multiply
1,092,111.80x = 1,638,905.81 × 382,145.99 - Step 4: Simplify right side
1,092,111.80x = 626,301,283,279.20 - Step 5: Solve for x
x = 626,301,283,279.20/1,092,111.80 - Step 6: Final answer
x = 573,477.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.